The century began under the administration of Mayor Alfredo Sanchez Monteseirín (PSOE), who holds the post of alderman in June 1999 with the support of the PA, having been the largest party PP. In 2003 return to be invested mayor, and this time the most voted candidate in this case supported the mayors of Izquierda Unida. The outcome of the elections in May 2007 agreement validates the progress (PSOE-IU), ahead in votes the conservative project presented by (PP-PA), leaving the latter not represented in the council, and getting the PP the most votes of all the parties represented in the Consistory. Thus Monteseirín Alfredo Sánchez ranks as the first mayor who gets to be 3 terms in power for the first time in the history of democracy Seville despite having been only once the candidate most votes from the electorate and the allegations of corruption bills for illegal funding by falsas.26
In the month of June 2002 was held in Seville summit of Heads of State and Government of the European Union, chaired by the then acting president of the European Union and Spanish Prime Minister Jose Maria Aznar. At this meeting, countered a series of meetings and peaceful demonstrations and mass by political action groups, anti-capitalist alternative.
In 2003, restarted the construction of Metro Line 1 of Seville, paralyzed in the 80 to be technical difficulties in digging the underground Seville, cracks appearing in several historic buildings in the city. With a new project of a different path to the original (focus less urban and more metropolitan), the resumption of the work was completed the intense effort of the Metro de Sevilla Sociedad, driven by Andalucista Alejandro Rojas-Marcos and the government team , in pursuance of a meter to Sevilla. The inauguration will be a milestone in the history of Sevilla saturated metropolitan communications.
In 2004 the company celebrates its centenary beer Cruzcampo Seville, hosting numerous public events and advertising campaigns to celebrate the event. Also in 2004, the newspaper ABC celebrates its 75 th anniversary edition of Seville, founded in 1929 by Don Torcuato Luca de Tena.
During the year 2005 marks the centenary of Sevilla FC and in 2007 the Real Betis Balompié.
In June 2006 should have completed work on the Metro Line 1. However, the path changes, archaeological finds, problems of TBM tunnels and strikes of various kinds, has led the Andalusian not mark any dates before 2008 to its inauguration, hypothesize its initial in full operation in early 2009.
In February 2007, started the bidding process for projects and works of the remaining lines (2, 3 and 4) complete the metro project, being responsible for funding the Andalusian and Government central lines 2 and 3 (path metropolitan) and the city of Seville to line 4 (urban design). Also the subway is completed with tram lines, the MetroCentre in downtown, the Aljarafe tram and the tram Alcalá de Guadaira, all these lines will be connected to the metro line 1, with that will be a real transmission system. They also emphasize the empowerment of local lines to ring closure rail, and new connections to the North Aljarafe (Sanlúcar la Mayor, etc.).
In 2007 and 2008 major media attention-grabbing projects: building a network of bike paths which lead to Seville to be the city with more miles of bike lanes in Spain, the pedestrian from the Plaza Nueva and Constitution Avenue (next to the Cathedral), the operation of the tram Metrocentro, linking the Prado de San Sebastian with the above Plaza Nueva, the construction of the Pelli tower for the new box Cajasol, the draft of the Incarnation MetroSol winner international architecture, the reforms in the Alameda de Hercules, the Puerto de las Delicias, Delicias Aquarium, Pier New York, among others.